frailness vs valetudinarianism

frailness and valetudinarianism both are nouns.

Word	Noun	Adjective	Verb	Adverb
frailness	Yes	No	No	No
valetudinarianism	Yes	No	No	No

As nouns, frailness and valetudinarianism are synonyms defined as:

frailness and valetudinarianism: the state of being weak in health or body (especially from old age)

Other synonyms of frailness include debility, feebleness, frailty, infirmity.

frailness (noun)	valetudinarianism (noun)
the state of being weak in health or body (especially from old age)	the state of being weak in health or body (especially from old age)